18430480

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2281}}^1$

素因数の和:2395

約数の個数: 40

約数和(自身を含む): 43294104

約数和(自身を除く): 24863624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 2281, 4040, 4562, 8080, 9124, 11405, 18248, 22810, 36496, 45620, 91240, 182480, 230381, 460762, 921524, 1151905, 1843048, 2303810, 3686096, 4607620, 9215240, 18430480]

約数ペア:

[(1, 18430480), (2, 9215240), (4, 4607620), (5, 3686096), (8, 2303810), (10, 1843048), (16, 1151905), (20, 921524), (40, 460762), (80, 230381), (101, 182480), (202, 91240), (404, 45620), (505, 36496), (808, 22810), (1010, 18248), (1616, 11405), (2020, 9124), (2281, 8080), (4040, 4562)]